Learn what earth-friendly buzz words to look for in your skin care, hair care and makeup ... and which harmful ingredients you should avoid on your beauty product labels

Be skeptical of: Nanoparticles, Nanomaterials or Nanotechnology Finally, be wary of products that advertise Nanoparticles, Nanomaterials or Nanotechnology, popular especially in sunscreens, where this new emerging technology has allowed scientists to break down ingredients (like zinc or titanium dioxide) into tiny particles. How small? A human hair is about 80,000 nanometers in diameter. Problem is, these nanoparticles are so small that they can penetrate cell walls, including organ tissues. The FDA is currently looking into the risks of nanomaterials in cosmetics, especially sunscreens. Stay tuned.